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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef MOJO_SERVICES_GLES2_COMMAND_BUFFER_IMPL_H_
      6 #define MOJO_SERVICES_GLES2_COMMAND_BUFFER_IMPL_H_
      7 
      8 #include "base/memory/scoped_ptr.h"
      9 #include "base/timer/timer.h"
     10 #include "mojo/public/cpp/system/core.h"
     11 #include "mojo/services/gles2/command_buffer.mojom.h"
     12 #include "ui/gfx/native_widget_types.h"
     13 #include "ui/gfx/size.h"
     14 
     15 namespace gpu {
     16 class CommandBufferService;
     17 class GpuScheduler;
     18 class GpuControlService;
     19 namespace gles2 {
     20 class GLES2Decoder;
     21 class MailboxManager;
     22 }
     23 }
     24 
     25 namespace gfx {
     26 class GLContext;
     27 class GLShareGroup;
     28 class GLSurface;
     29 }
     30 
     31 namespace mojo {
     32 
     33 class CommandBufferImpl : public InterfaceImpl<CommandBuffer> {
     34  public:
     35   // Offscreen.
     36   CommandBufferImpl(gfx::GLShareGroup* share_group,
     37                     gpu::gles2::MailboxManager* mailbox_manager);
     38   // Onscreen.
     39   CommandBufferImpl(gfx::AcceleratedWidget widget,
     40                     const gfx::Size& size,
     41                     gfx::GLShareGroup* share_group,
     42                     gpu::gles2::MailboxManager* mailbox_manager);
     43   virtual ~CommandBufferImpl();
     44 
     45   virtual void Initialize(CommandBufferSyncClientPtr sync_client,
     46                           mojo::ScopedSharedBufferHandle shared_state) OVERRIDE;
     47   virtual void SetGetBuffer(int32_t buffer) OVERRIDE;
     48   virtual void Flush(int32_t put_offset) OVERRIDE;
     49   virtual void MakeProgress(int32_t last_get_offset) OVERRIDE;
     50   virtual void RegisterTransferBuffer(
     51       int32_t id,
     52       mojo::ScopedSharedBufferHandle transfer_buffer,
     53       uint32_t size) OVERRIDE;
     54   virtual void DestroyTransferBuffer(int32_t id) OVERRIDE;
     55   virtual void Echo(const Callback<void()>& callback) OVERRIDE;
     56 
     57  private:
     58   bool DoInitialize(mojo::ScopedSharedBufferHandle shared_state);
     59 
     60   void OnResize(gfx::Size size, float scale_factor);
     61 
     62   void OnParseError();
     63 
     64   CommandBufferSyncClientPtr sync_client_;
     65 
     66   gfx::AcceleratedWidget widget_;
     67   gfx::Size size_;
     68   scoped_ptr<gpu::CommandBufferService> command_buffer_;
     69   scoped_ptr<gpu::gles2::GLES2Decoder> decoder_;
     70   scoped_ptr<gpu::GpuScheduler> scheduler_;
     71   scoped_refptr<gfx::GLContext> context_;
     72   scoped_refptr<gfx::GLSurface> surface_;
     73   scoped_refptr<gfx::GLShareGroup> share_group_;
     74   scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
     75 
     76   DISALLOW_COPY_AND_ASSIGN(CommandBufferImpl);
     77 };
     78 
     79 }  // namespace mojo
     80 
     81 #endif  // MOJO_SERVICES_GLES2_COMMAND_BUFFER_IMPL_H_
     82